A data mining technique can be used for

(a) predicting future trends that are based on the information available (b) knowing previously unknown patterns (c) discovering unknown relationship in the data

Data mining is becoming a strategically important area for many business organisations, including banking sector. It is a process of analysing the data from various perspectives and summarising it into valuable information. Data mining assists the banks to look for hidden patterns in a group and discover unknown relationship in the data. Data mining tools, using large databases, can facilitate automatic prediction of future trends and behaviours and automated discovery of previously unknown patterns.